The link to the full report: DQ_shift_report
- H1 has been observing for 76.27% on an average this week, highest being on Saturday with 100%.
- Most of the locklosses were due to earthquakes or wind. Some of the locklosses had no apparent reason. There were several times during the week that IFO was taken out of observing for commissioning.
- The average range was ~150 Mpc during the start of the week and increased to ~160 Mpc from Thursday night.
- There were some periodic low noises (~30 - 40 Hz) in the h(t) spectrogram on several days of the week. There are similar periodic noises in the BSCs - might be the reason.
- There was an increase in the glitches of SNR ≥ 100 on Friday - ground motion, wind motion, noise in the BSC might be the reason behind it. There are large amounts of low (~0-10, ~20-40 Hz) and high (~300 - 1000 Hz) in the BSC motion of the Y between 18:00 to 23:59 UTC.
- The glitch rates of SNR ≥ 8 and 20 were high during the end of the week.
- Hveto: The new channels that appeared new this week are - H1:ISI-ITMY_ST1_BLND_Z_T240_CUR_IN1_DQ(Monday), H1:OAF-LASERNOISE_SUM_OUT_DQ, H1:SUS-ETMX_L3_OPLEV_YAW_OUT_DQ, (Tuesday), H1:SUS-ETMX_L3_OPLEV_PIT_OUT_DQ, H1:PEM-EX_EFM_BSC9_ETMX_Y_OUT_DQ, (Thursday), H1:HPI-HAM3_BLND_L4C_HP_IN1_DQ (Friday). The channels that appeared for the highest number of times during the week: H1:PEM-EX_VMON_ETMX_ESDPOWER48_DQ and H1:SUS-ETMX_L3_OPLEV_YAW_OUT_DQ (5 times).
- Fscan: The plots did not appear for Thursday. The line counts were around 450 for Monday and Tuesday, increased to ~500 on Wednesday, then ~600 on Friday and suddenly to ~750 on Saturday. It decreased to ~500 on Sunday.